package com.dy.common.utils;

import java.lang.management.ManagementFactory;
import java.sql.Timestamp;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.time.LocalDate;
import java.time.LocalDateTime;
import java.time.LocalTime;
import java.time.ZoneId;
import java.time.ZonedDateTime;
import java.util.Arrays;
import java.util.Calendar;
import java.util.Date;
import java.util.List;

import org.apache.commons.lang3.time.DateFormatUtils;

/**
 * 时间工具类
 *
 * @author anps
 */
public class DateUtils extends org.apache.commons.lang3.time.DateUtils{
    public static String YYYY = "yyyy";

    public static String YYYY_MM = "yyyy-MM";

    public static String YYYY_MM_DD = "yyyy-MM-dd";

    public static String YYYYMMDDHHMMSS = "yyyyMMddHHmmss";

    public static String YYYY_MM_DD_HH_MM_SS = "yyyy-MM-dd HH:mm:ss";

    private static String[] parsePatterns = {
            "yyyy-MM-dd", "yyyy-MM-dd HH:mm:ss", "yyyy-MM-dd HH:mm", "yyyy-MM",
            "yyyy/MM/dd", "yyyy/MM/dd HH:mm:ss", "yyyy/MM/dd HH:mm", "yyyy/MM",
            "yyyy.MM.dd", "yyyy.MM.dd HH:mm:ss", "yyyy.MM.dd HH:mm", "yyyy.MM"};

    /**
     * 获取当前Date型日期
     *
     * @return Date() 当前日期
     */
    public static Date getNowDate(){
        return new Date();
    }

    /**
     * 获取当前日期, 默认格式为yyyy-MM-dd
     *
     * @return String
     */
    public static String getDate(){
        return dateTimeNow(YYYY_MM_DD);
    }

    public static final String getTime(){
        return dateTimeNow(YYYY_MM_DD_HH_MM_SS);
    }

    public static final String dateTimeNow(){
        return dateTimeNow(YYYYMMDDHHMMSS);
    }

    public static final String dateTimeNow(final String format){
        return parseDateToStr(format, new Date());
    }

    public static final String dateTime(final Date date){
        return parseDateToStr(YYYY_MM_DD, date);
    }

    public static final String parseDateToStr(final String format, final Date date){
        return new SimpleDateFormat(format).format(date);
    }

    public static final Date dateTime(final String format, final String ts){
        try{
            return new SimpleDateFormat(format).parse(ts);
        }
        catch (ParseException e){
            throw new RuntimeException(e);
        }
    }

    /**
     * 日期路径 即年/月/日 如2018/08/08
     */
    public static final String datePath(){
        Date now = new Date();
        return DateFormatUtils.format(now, "yyyy/MM/dd");
    }

    /**
     * 日期路径 即年/月/日 如20180808
     */
    public static final String dateTime(){
        Date now = new Date();
        return DateFormatUtils.format(now, "yyyyMMdd");
    }

    /**
     * 日期型字符串转化为日期 格式
     */
    public static Date parseDate(Object str){
        if (str == null){
            return null;
        }
        try{
            return parseDate(str.toString(), parsePatterns);
        }
        catch (ParseException e){
            return null;
        }
    }

    /**
     * 获取服务器启动时间
     */
    public static Date getServerStartDate(){
        long time = ManagementFactory.getRuntimeMXBean().getStartTime();
        return new Date(time);
    }

    /**
     * 计算相差天数
     */
    public static int differentDaysByMillisecond(Date date1, Date date2){
        return Math.abs((int) ((date2.getTime() - date1.getTime()) / (1000 * 3600 * 24)));
    }


    public static long differentByMillisecond(Date endDate, Date nowDate){
        return Math.abs((int) (endDate.getTime() - nowDate.getTime()) / (1000 * 60));
    }
    /**
     * 计算两个时间差
     */
    public static String getDatePoor(Date endDate, Date nowDate){
        long nd = 1000 * 24 * 60 * 60;
        long nh = 1000 * 60 * 60;
        long nm = 1000 * 60;
        // long ns = 1000;
        // 获得两个时间的毫秒时间差异
        long diff = endDate.getTime() - nowDate.getTime();
        // 计算差多少天
        long day = diff / nd;
        // 计算差多少小时
        long hour = diff % nd / nh;
        // 计算差多少分钟
        long min = diff % nd % nh / nm;
        // 计算差多少秒//输出结果
        // long sec = diff % nd % nh % nm / ns;
        return day + "天" + hour + "小时" + min + "分钟";
    }

    /**
     * 增加 LocalDateTime ==> Date
     */
    public static Date toDate(LocalDateTime temporalAccessor){
        ZonedDateTime zdt = temporalAccessor.atZone(ZoneId.systemDefault());
        return Date.from(zdt.toInstant());
    }

    /**
     * 增加 LocalDate ==> Date
     */
    public static Date toDate(LocalDate temporalAccessor){
        LocalDateTime localDateTime = LocalDateTime.of(temporalAccessor, LocalTime.of(0, 0, 0));
        ZonedDateTime zdt = localDateTime.atZone(ZoneId.systemDefault());
        return Date.from(zdt.toInstant());
    }

    //获取当前季度
    public static String getQuarterByDate(Date datePar){
        Calendar calendar = Calendar.getInstance();
        calendar.setTime(datePar);
        int mouth = datePar.getMonth()+1;

        if(mouth>=1 && mouth<=3){
            return "1";
        }else if(mouth>=4 && mouth<=6){
            return "2";
        }else if(mouth>=7 && mouth<=9){
            return "3";
        }else if(mouth>=10 && mouth<=12){
            return "4";
        }else{
            return "";
        }
    }


    /**
     * @Description 获取前一天凌晨时间戳
     * @author chenJY
     * @date 2022/8/12 9:25
     * @return String
     */
    public static long getStartTimestamp() {
        Calendar calendar = Calendar.getInstance();
        calendar.setTime(new Date());
        calendar.set(Calendar.HOUR_OF_DAY, 0);
        calendar.set(Calendar.MINUTE, 0);
        calendar.set(Calendar.SECOND, 0);
        calendar.add(Calendar.DAY_OF_MONTH, -1);
        Date start = calendar.getTime();
        Timestamp timestamp = new Timestamp(start.getTime());
        return start.getTime();
    }


    public static List<String> get7Day(){
        String [] arr = new String[8];
        SimpleDateFormat sdf = new SimpleDateFormat("YYYY-MM-dd");
        Calendar c = null;
        for (int i=0;i<8;i++){
            c=Calendar.getInstance();
            c.add(Calendar.DAY_OF_MONTH, -i);
            arr[7-i] =sdf.format(c.getTime());
        }
        return Arrays.asList(arr);
    }


    public static String getSession(Date time){
        Double date = Double.valueOf(DateUtils.parseDateToStr("MM", time));
        String session = "1";
        if (date >= 1 && date <= 3){
            session = "1";
        }else if (date >= 4 && date <= 6){
            session = "2";
        }else if (date >= 7 && date <= 9){
            session = "3";
        }else{
            session = "4";
        }
        return session;
    }






    public static void main(String[] args) {
        Calendar calendar = Calendar.getInstance();
        System.out.println(getCurrentMonth());

        int dayOfMonth = calendar.get(Calendar.DAY_OF_MONTH);
        System.out.println(dayOfMonth);

        System.out.println(getPerLastDayOfMonth());

        System.out.println(getPerFirstDayOfMonth());

        String di = "1,4,7,10";
        String zhong = "2,5,7,11";
        String gao = "3,6,9,12";
        System.out.println(gao.contains(getCurrentMonth()+""));
    }


    /***
     * 获取当前月份
     * @return
     */
    public static int getCurrentMonth(){
        Calendar calendar = Calendar.getInstance();
        int month = calendar.get(Calendar.MONTH) + 1;
        return month;
    }


    /***
     * 获取最后2天的日期
     * @return
     */
    public static long getPerLastDayOfMonth(){
        SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd 00:00:00");
        Calendar calendar = Calendar.getInstance();
        calendar.add(Calendar.MONTH, 1);
        calendar.set(Calendar.DAY_OF_MONTH, -1);
        try {
            return format.parse(format.format(calendar.getTime())).getTime();
        } catch (ParseException e) {
            e.printStackTrace();
        }
        return 0;
    }


    /***
     * 获取当月的第一天
     * @return
     */
    public static long getPerFirstDayOfMonth() {
        SimpleDateFormat dft = new SimpleDateFormat("yyyy-MM-dd 00:00:00");
        Calendar calendar = Calendar.getInstance();
        calendar.add(Calendar.MONTH, 1);
        calendar.set(Calendar.DAY_OF_MONTH, calendar.getActualMinimum(Calendar.DAY_OF_MONTH));
        try {
            return dft.parse(dft.format(calendar.getTime())).getTime();
        } catch (ParseException e) {
            e.printStackTrace();
        }
        return 0;
    }

}
